01 -
Heat a cast iron or heavy skillet over medium-high heat until hot. Pat shrimp dry and toss with 1 teaspoon Cajun seasoning. Add oil to skillet, then cook shrimp for 2 minutes per side until golden and seared. Remove from pan and let cool.
02 -
Place eggs in a single layer in a pot and cover with cold water by 1 inch. Bring to a boil over medium-high heat, then reduce to a simmer and cook for 10 to 12 minutes. Immediately transfer eggs to an ice bath and chill for 15 minutes to halt cooking and ease peeling.
03 -
Peel eggs carefully and slice in half lengthwise. Remove yolks into a bowl and mash until smooth. Combine yolks with mayonnaise, Creole mustard, remaining 1 teaspoon Cajun seasoning, horseradish, hot sauce, finely chopped pickled jalapeños, and 1 tablespoon sliced green onions. Mix thoroughly and chill for 15 to 30 minutes to firm.
04 -
Pipe or spoon filling evenly into egg white halves. Top each with one seared shrimp. Garnish with remaining green onion slices. Serve chilled or at room temperature.